DE59806633D1 - METHOD FOR PRODUCING ESSENTIAL SPHERICAL LYOGELS AND AEROGELS - Google Patents

METHOD FOR PRODUCING ESSENTIAL SPHERICAL LYOGELS AND AEROGELS

Info

Publication number
DE59806633D1
DE59806633D1 DE59806633T DE59806633T DE59806633D1 DE 59806633 D1 DE59806633 D1 DE 59806633D1 DE 59806633 T DE59806633 T DE 59806633T DE 59806633 T DE59806633 T DE 59806633T DE 59806633 D1 DE59806633 D1 DE 59806633D1
Authority
DE
Germany
Prior art keywords
aerogels
producing essential
lyogels
essential spherical
spherical lyogels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE59806633T
Other languages
German (de)
Inventor
Rainald Forbert
Fritz Schwertfeger
Johannes Hartel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cabot Corp
Original Assignee
Cabot Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cabot Corp filed Critical Cabot Corp
Application granted granted Critical
Publication of DE59806633D1 publication Critical patent/DE59806633D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157—After-treatment of gels
    • C01B33/158—Purification; Drying; Dehydrating
    • C01B33/1585—Dehydration into aerogels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels
DE59806633T 1997-05-30 1998-05-28 METHOD FOR PRODUCING ESSENTIAL SPHERICAL LYOGELS AND AEROGELS Expired - Lifetime DE59806633D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722738A DE19722738A1 (en) 1997-05-30 1997-05-30 Process for the production of essentially spherical lyogels and aerogels
PCT/EP1998/003161 WO1998053905A1 (en) 1997-05-30 1998-05-28 Method for producing substantially globular lyogels and aerogels

Publications (1)

Publication Number Publication Date
DE59806633D1 true DE59806633D1 (en) 2003-01-23

Family

ID=7830964

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19722738A Withdrawn DE19722738A1 (en) 1997-05-30 1997-05-30 Process for the production of essentially spherical lyogels and aerogels
DE59806633T Expired - Lifetime DE59806633D1 (en) 1997-05-30 1998-05-28 METHOD FOR PRODUCING ESSENTIAL SPHERICAL LYOGELS AND AEROGELS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19722738A Withdrawn DE19722738A1 (en) 1997-05-30 1997-05-30 Process for the production of essentially spherical lyogels and aerogels

Country Status (8)

Country Link
EP (1) EP0984829B1 (en)
JP (1) JP4241938B2 (en)
KR (1) KR100534194B1 (en)
CN (1) CN1103243C (en)
CA (1) CA2291229A1 (en)
DE (2) DE19722738A1 (en)
ES (1) ES2189210T3 (en)
WO (1) WO1998053905A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101774783B1 (en) 2010-10-25 2017-09-05 가부시끼가이샤 도꾸야마 Aerogel and method for producing same
KR101565932B1 (en) 2011-04-28 2015-11-05 가부시끼가이샤 도꾸야마 Metal oxide powder and method for producing same
CN111302348B (en) * 2020-04-08 2022-01-18 天津纳科世纪新材料有限公司 Normal pressure preparation method of silicon dioxide aerogel spherical particles
CN114149010B (en) * 2021-12-15 2023-04-28 河北三棵树涂料有限公司 Silica aerogel ball and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB607234A (en) * 1946-01-15 1948-08-27 Standard Oil Dev Co Improved process for the preparation of gel particles
DE1667078B2 (en) * 1967-10-31 1979-07-19 W.R. Grace & Co., New York, N.Y. (V.St.A.) Process for the preparation of spherical silica hydrogels
SE319161B (en) * 1968-01-30 1970-01-12 Fosfatbolaget Ab
DE2103243C3 (en) * 1971-01-25 1979-01-11 Basf Ag, 6700 Ludwigshafen Process and device for the production of largely spherical, silica-containing hydrogels
DE3329016A1 (en) * 1983-08-11 1985-02-28 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING POLYMERISATES OF ETHYLENE BY MEANS OF A SILICONE XEROGEL / CHROMTRIOXIDE CATALYST
US4649037A (en) * 1985-03-29 1987-03-10 Allied Corporation Spray-dried inorganic oxides from non-aqueous gels or solutions
DE4231749A1 (en) * 1992-09-23 1994-03-24 Basf Ag Process for the preparation of a supported catalyst for the polymerization of alpha-olefins

Also Published As

Publication number Publication date
EP0984829B1 (en) 2002-12-11
CN1258228A (en) 2000-06-28
CA2291229A1 (en) 1998-12-03
KR100534194B1 (en) 2005-12-08
KR20010013150A (en) 2001-02-26
WO1998053905A1 (en) 1998-12-03
CN1103243C (en) 2003-03-19
EP0984829A1 (en) 2000-03-15
ES2189210T3 (en) 2003-07-01
DE19722738A1 (en) 1998-12-03
JP4241938B2 (en) 2009-03-18
JP2002500557A (en) 2002-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition